Yukon Gear Master Overhaul Kit For 2011+ Chrysler 9.25in ZF Rear

Yukon YK C9.25ZF Chrysler 9.25in ZF Rear Differential Complete Rebuild Kit

The YK C9.25ZF from Yukon Gear and Axle is a precision-engineered master overhaul kit built for the Chrysler 9.25-inch ZF rear differential found in 2010 through 2020 Ram 1500 trucks. When your Ram's rear end develops gear noise, bearing wear, or leaks, the YK C9.25ZF delivers everything you need for a thorough, professional complete rebuild kit without hunting down individual parts. Timken bearings, a full shim set, all seals, and every piece of required hardware are packed into one comprehensive package. Trust the YK C9.25ZF to restore your Chrysler 9.25 ZF differential to optimal performance.

Features and Benefits

• Engineered specifically for the Chrysler 9.25-inch ZF rear differential in 2010-2020 Ram 1500 applications
• Timken carrier bearings and races for reliable load capacity and extended service life
• Timken pinion bearings and races for accurate pinion depth and quiet operation
• Complete pinion depth shim set for precise gear mesh adjustment
• Complete carrier shim set for correct backlash and bearing preload
• Pinion seal and axle seals to stop fluid leaks
• Ring gear bolts, pinion nut, and crush sleeve for a full hardware refresh
• Gear marking compound with brush and thread-locking compound included
• Differential cover gasket for a clean, leak-free closure
• Compatible with OEM and aftermarket ring and pinion gear sets
• All components meet Yukon Gear quality standards

Vehicle Fitment

Specifications

What Is Included

• Timken front carrier bearing and race
• Timken rear carrier bearing and race
• Timken inner pinion bearing and race
• Timken outer pinion bearing and race
• Pinion seal
• Axle seals (pair)
• Complete pinion depth shim set
• Complete carrier shim set
• Ring gear bolt set
• Pinion nut
• Crush sleeve
• Thread-locking compound
• Gear marking compound with brush
• Differential cover gasket

Frequently Asked Questions

What is the Chrysler 9.25in ZF differential?
The Chrysler 9.25-inch ZF rear differential was used in Ram 1500 trucks from approximately 2010 through the 2020 model year (1500 Classic). It replaced the earlier Chrysler 9.25-inch differential and features a ZF-sourced design. The YK C9.25ZF is specifically engineered for this application.

How do I know if my Ram 1500 has the 9.25in ZF differential?
Check the axle tag on the housing or consult your vehicle's build sheet. Ram 1500s with rear-wheel drive or four-wheel drive from 2010-2018 commonly used the 9.25in ZF rear axle. The YK C9.25ZF fitment list confirms compatible year, make, and trim combinations.

Does the YK C9.25ZF include Timken bearings?
Yes. The YK C9.25ZF includes Timken carrier bearings with races and Timken pinion bearings with races for proven durability and precision.

Can I use this kit with an aftermarket ring and pinion?
Yes. The full shim set included in the YK C9.25ZF provides all the material needed to properly set pinion depth and backlash for both OEM replacement and aftermarket gear ratios.

Is a differential cover gasket included?
Yes. The YK C9.25ZF includes a differential cover gasket to complete the entire rebuild.

Will installing the YK C9.25ZF void my warranty under the Magnuson-Moss Warranty Act?
Under the Magnuson-Moss Warranty Act, a vehicle manufacturer cannot void your warranty merely because an aftermarket part was installed. The warranty is only voided if the manufacturer can show the aftermarket component directly caused the claimed defect. Consult your warranty documents and a qualified professional for guidance.

What warranty does Yukon Gear provide on the YK C9.25ZF?
Yukon Gear and Axle provides a limited warranty on this kit covering defects in materials and workmanship. Contact Yukon Gear for complete warranty terms.

Is professional installation recommended?
Yes. Differential rebuilds require precision measurements for pinion depth, backlash, and bearing preload. A qualified drivetrain technician should perform the rebuild to ensure correct setup and long-term reliability.

Installation Instructions

1. Raise and safely support the vehicle on jack stands. Drain all fluid from the rear differential.
2. Remove the rear driveshaft from the differential flange and support out of the way.
3. Remove the differential cover and clean all gasket surfaces thoroughly.
4. Mark bearing caps and housing for correct reinstallation before removing any components.
5. Remove carrier bearing caps and extract the differential carrier assembly.
6. Press old carrier bearings off the carrier and discard with races.
7. Remove the pinion nut and companion flange, then drive the pinion shaft out of the housing.
8. Press out old pinion bearings and remove the pinion seal.
9. Clean all bearing bores, threads, and mating surfaces in the housing.
10. Press new Timken pinion bearing races into the housing using appropriate drivers.
11. Determine the correct pinion shim from the pinion depth marking and measurement tools. Install new inner pinion bearing and shim on pinion shaft.
12. Install new crush sleeve and outer pinion bearing. Install new pinion seal. Thread on pinion nut and torque to spec while verifying rotating torque.
13. Press new Timken carrier bearings onto the carrier. Install carrier assembly with correct carrier shims to achieve specified backlash.
14. Apply gear marking compound and verify gear tooth contact pattern. Adjust shims as needed for proper pattern.
15. Torque bearing caps to spec. Install new cover gasket and cover, fill with correct gear oil, reinstall driveshaft, and lower the vehicle.

Proposition 65 Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.